| /* |
| * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "ci/ciSymbol.hpp" |
| #include "ci/ciUtilities.hpp" |
| #include "memory/oopFactory.hpp" |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::ciSymbol |
| // |
| // Preallocated symbol variant. Used with symbols from vmSymbols. |
| ciSymbol::ciSymbol(Symbol* s, vmSymbols::SID sid) |
| : _symbol(s), _sid(sid) |
| { |
| assert(_symbol != NULL, "adding null symbol"); |
| _symbol->increment_refcount(); // increment ref count |
| assert(sid_ok(), "must be in vmSymbols"); |
| } |
| |
| // Normal case for non-famous symbols. |
| ciSymbol::ciSymbol(Symbol* s) |
| : _symbol(s), _sid(vmSymbols::NO_SID) |
| { |
| assert(_symbol != NULL, "adding null symbol"); |
| _symbol->increment_refcount(); // increment ref count |
| assert(sid_ok(), "must not be in vmSymbols"); |
| } |
| |
| // ciSymbol |
| // |
| // This class represents a Symbol* in the HotSpot virtual |
| // machine. |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::as_utf8 |
| // |
| // The text of the symbol as a null-terminated C string. |
| const char* ciSymbol::as_utf8() { |
| GUARDED_VM_QUICK_ENTRY(return get_symbol()->as_utf8();) |
| } |
| |
| // The text of the symbol as a null-terminated C string. |
| const char* ciSymbol::as_quoted_ascii() { |
| GUARDED_VM_QUICK_ENTRY(return get_symbol()->as_quoted_ascii();) |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::base |
| const jbyte* ciSymbol::base() { |
| GUARDED_VM_ENTRY(return get_symbol()->base();) |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::byte_at |
| int ciSymbol::byte_at(int i) { |
| GUARDED_VM_ENTRY(return get_symbol()->byte_at(i);) |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::starts_with |
| // |
| // Tests if the symbol starts with the given prefix. |
| bool ciSymbol::starts_with(const char* prefix, int len) const { |
| GUARDED_VM_ENTRY(return get_symbol()->starts_with(prefix, len);) |
| } |
| |
| bool ciSymbol::is_signature_polymorphic_name() const { |
| GUARDED_VM_ENTRY(return MethodHandles::is_signature_polymorphic_name(get_symbol());) |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::index_of |
| // |
| // Determines where the symbol contains the given substring. |
| int ciSymbol::index_of_at(int i, const char* str, int len) const { |
| GUARDED_VM_ENTRY(return get_symbol()->index_of_at(i, str, len);) |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::utf8_length |
| int ciSymbol::utf8_length() { |
| GUARDED_VM_ENTRY(return get_symbol()->utf8_length();) |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::print_impl |
| // |
| // Implementation of the print method |
| void ciSymbol::print_impl(outputStream* st) { |
| st->print(" value="); |
| print_symbol_on(st); |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::print_symbol_on |
| // |
| // Print the value of this symbol on an outputStream |
| void ciSymbol::print_symbol_on(outputStream *st) { |
| GUARDED_VM_ENTRY(get_symbol()->print_symbol_on(st);) |
| } |
| |
| const char* ciSymbol::as_klass_external_name() const { |
| GUARDED_VM_ENTRY(return get_symbol()->as_klass_external_name();); |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::make_impl |
| // |
| // Make a ciSymbol from a C string (implementation). |
| ciSymbol* ciSymbol::make_impl(const char* s) { |
| EXCEPTION_CONTEXT; |
| TempNewSymbol sym = SymbolTable::new_symbol(s, THREAD); |
| if (HAS_PENDING_EXCEPTION) { |
| CLEAR_PENDING_EXCEPTION; |
| CURRENT_THREAD_ENV->record_out_of_memory_failure(); |
| return ciEnv::_unloaded_cisymbol; |
| } |
| return CURRENT_THREAD_ENV->get_symbol(sym); |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciSymbol::make |
| // |
| // Make a ciSymbol from a C string. |
| ciSymbol* ciSymbol::make(const char* s) { |
| GUARDED_VM_ENTRY(return make_impl(s);) |
| } |